AT6392

The AT6392 is a 4-channel BTL driver for CD player motors and actuators. It has an internal primary filter, and can be directly connected(without attached components) to the servo PWM output of all drivers other than the spindle driver.All four driver output channels are muted during thermal shutdown, muting and a drop in bias pin voltage. No other components are muted.

Features of the AT6392 are:(1)HSOP-28 package enables the smallest configuration; (2)PWM input is filtered by the internal primary filter,  eliminating  the  need  for  attached resistors  and  capacitors,  thereby  helping reduce the number of components. Resistor and capacitor  time  constants  can  also be changed with attached components; (3)internal mute circuit; (4)thermal shutdown circuit is contained; (5)level-shift circuit is contained.The level shift circuit converts the pre-stage amplifier output (centered on the bias level and impressed on pins 23 and 25) to positive and negative amplitudes centered on Vref .The level shift circuit's output is BTL-output from the buffer amplifier.

The absolute maximum ratings of the AT6392 can be summarized as:(1)power supply voltage:18V;(2)storage temperature:-55 to +150;(3)operating temperature:-30 to 85;(4)power dissipation:1.6W.The products described in this document are designed, developed and manufactured as contemplated for general use, including without limitation, ordinary industrial use, general office use, personal use, and household use, but are not designed, developed and manufactured as contemplated (1) for any use that includes fatal risks or dangers that, unless extremely high safety is secured, could have a serious effect to the public, and could lead directly to death, personal injury, severe physical damage or other loss (i.e., nuclear reaction control in nuclear facility, aircraft flight control, air traffic control, mass transport control, medical life support system, missile launch control in weapon system), or (2) for any use where chance of failure is intolerable (i.e., submersible repeater and artificial satellite).

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